A lower limb wound oxygen therapy device

Abstract

The present application provides a lower limb wound oxygen therapy device, including an oxygen therapy cabin, an oxygen generating module and a control module. The oxygen therapy cabin includes two half cabins connected to each other in rotation. A structural groove is provided on the side of each half cabin away from the rotating structure. A hook plate is provided in the structural groove for rotation. An elastic mechanism is provided between the hook plate and the structural groove. A hook groove is provided on the side of the half cabin away from the rotating structure. In a state of use, the two half cabins are mutually pressed and enclosed to form an oxygen therapy chamber for accommodating the lower limbs. The elastic mechanism forces the hook plate to cooperate with the hook groove of the other half cabin for hooking. A first spring is provided between the hook plate and the half cabin. The adjacent sides of the two hook plates are respectively provided with a limiting convex column and a limiting slot. In a state of use, the first spring forces the limiting convex column to match and insert the limiting slot for limiting. Based on this, the opening and closing of the oxygen therapy cabin can be simply controlled to facilitate the wearing and disassembly of the oxygen therapy cabin, meeting the patient's self-care needs for wounds in a home environment.

Description

Technical Field

[0001] The present application relates to the field of medical equipment, and in particular to an oxygen therapy device for lower limb wounds. Background Art

[0002] With the continuous development of modern medical technology, it has been clinically discovered that oxygen can play a positive role in promoting wound healing, especially in a moist aerobic environment, which can double the healing rate of wounds. This moist wound healing method can not only increase the healing rate of wounds, but also reduce the possibility of scabs or scar formation compared to dry treatment. Based on this, oxygen therapy has become an important means of wound treatment.

[0003] According to the healing time, wounds are divided into two major types: acute wounds and chronic wounds. Among them, chronic wounds have a slow healing speed and a long healing period. After early hospitalization can basically control the condition and the wound shows a healing trend, patients are generally recommended to be discharged from the hospital based on medical resources, hospitalization costs, and convenience of life. In the later stage, they mainly complete routine treatment at home and have regular follow-up visits.

[0004] Of course, in order to improve the patient's recovery speed during routine treatment at home, an oxygen therapy device can also be installed at home to perform oxygen therapy recovery on the wound; the currently available home oxygen therapy devices mainly include an oxygen generation module, a flow control module and an oxygen therapy cabin, wherein the oxygen therapy cabin includes an oxygen therapy chamber for the lower limbs of the human body to pass through; in order to avoid touching the wound when the lower limbs pass through the oxygen therapy chamber, the oxygen therapy cabin can be made into a split or articulated type.

[0005] However, for patients living alone, wound care often needs to be done independently. When using an oxygen therapy device to care for wounds, the lower limbs must be placed in an oxygen therapy room, and then the two movable sides of the oxygen therapy room must be connected and fixed to each other. The connection methods mostly use strap connections, buckle connections, or lock connections. Although it has the advantage of easy assembly and disassembly, it is very inconvenient for patients living alone to put on and disassemble the oxygen therapy device, which makes it difficult to meet the patients' self-care needs in a home environment, and needs to be improved. Summary of the invention

[0006] Based on this, the present application provides an oxygen therapy device for lower limb wounds, which can simply control the opening and closing of the oxygen therapy chamber to facilitate the wearing and removal of the oxygen therapy device, thereby meeting the patient's self-care needs for wounds in a home environment.

[0007] The present application provides a lower limb wound oxygen therapy device that adopts the following technical solutions:

[0008] An oxygen therapy device for lower limb wounds, comprising an oxygen therapy cabin, an oxygen generating module for supplying oxygen to the oxygen therapy cabin, and a control module for controlling the operation of the oxygen therapy cabin;

[0009] The oxygen therapy cabin comprises two half cabins, one side edge of the two half cabins is rotatably connected by a rotating structure, a structural groove is provided on the side of each half cabin away from the rotating structure, a hook plate is rotatably provided inside the structural groove, and an elastic mechanism is provided between the hook plate and the inner end wall of the structural groove; a hook groove is also provided on the side of the half cabin away from the rotating structure, and in the use state, the two half cabins are pressed against each other and jointly enclosed to form an oxygen therapy room for accommodating lower limbs, and the elastic mechanism forces the hook plate to cooperate with the hook groove of the other half cabin for hooking;

[0010] A cross bar is fixedly mounted inside the structural groove, and the axial direction of the cross bar is arranged in the same direction as the axial direction of the half cabin; the hook plate is slidably sleeved on the cross bar and is freely rotatable, and a first spring is arranged between the hook plate and the half cabin, and the first spring is sleeved on the cross bar; the adjacent sides of the two hook plates are respectively provided with limiting bosses and limiting slots, and in use, the first spring forces the limiting bosses to match and insert the limiting slots for limiting.

[0011] By adopting the above-mentioned technical solution, when the patient is cared for alone at home, the lower limbs are placed between the two half-cabins, and the half-cabins are rotated with one hand to bring the two half-cabins closer to each other. During this process, the two hook plates can partially abut against each other, maintain the abutting state and move away from each other; then, the two half-cabins are continued to be forced to approach each other, the hook plate can match and hook with the hook groove, and the elastic force of the elastic mechanism can keep the hook plate and the hook groove in position.

[0012] When the two half cabins rotate towards each other to completely fit together, the hook plate can keep the limiting convex column and the limiting slot aligned under the elastic force of the elastic mechanism. At this time, the limiting convex column can be automatically inserted into the limiting slot by the elastic force of the first spring, thereby limiting the rotation of the two hook plates, so that the covering state between the two half cabins can be maintained. At this time, the two half cabins jointly cover the wound position of the lower limbs, and the control module is used to control the operation of the oxygen generation module, so that oxygen can be smoothly supplied to the oxygen therapy room to meet the patient's oxygen therapy recovery.

[0013] After the patient has completed oxygen therapy and recovered, the hook plate is pushed with one hand again to move away from the other hook plate, so that the limiting boss can be smoothly disengaged from the limiting slot, and then the two hook plates are forced to flip over to squeeze the corresponding elastic mechanism, so that the two half cabins can be directly opened, which is easy to operate; the entire process can be completed by the patient with one hand, which greatly improves the convenience of opening and closing the oxygen therapy cabin, and then the oxygen therapy cabin can be easily put on and disassembled to meet the patient's self-care needs for wounds in a home environment.

[0014] Optionally, a wedge-shaped portion is protruding from the inner end wall of the hooking groove, and the distance from the wedge-shaped portion to the inner end wall of the hooking groove gradually decreases from the middle of the wedge-shaped portion to both sides of the wedge-shaped portion; a hook portion is provided on the back side of the hooking plate, and the hook portion is used to cooperate with the wedge-shaped portion for hooking and positioning; the hook portion and the elastic mechanism are respectively located on both sides of the rotating connection of the hooking plate.

[0015] By adopting the above technical solution, when the hook plate is rotated to make the two hook plates approach each other, the hook portion of the hook plate can first abut against the wedge portion, and after the hook portion is subjected to force, the hook plate is forced to flip outward, and the other end of the hook plate can be flipped inward and squeezed by the lever principle; after the hook portion passes through the wedge portion, the hook plate is reset and rotated under the elastic force of the elastic mechanism, so that the hook portion and the wedge portion are partially abutted, which plays a role in preliminary positioning of the hook plate; and then the plug-in cooperation between the limiting boss and the limiting slot can be used to keep the two hook plates firmly limited. In addition, when it is necessary to disassemble the oxygen therapy cabin, the patient moves the hook plate with one hand to disengage the limiting boss from the limiting groove, directly forcing the two half cabins to rotate back to back, and the hook portion can abut against the wedge portion under a small force, and drive the hook plate to flip outward, which can also improve the convenience of the patient to perform wound care alone.

[0016] Optionally, each hook plate is provided with a first inclined guide portion at the corner near the other hook plate. When the two half-chassis rotate toward each other, the two first inclined guide portions abut against each other and force the two hook plates to move away from each other. Each structural groove is provided with a positioning mechanism for positioning and maintaining the hook plate. When the hook plate is positioned in cooperation with the positioning mechanism, the limiting protrusion disengages from the limiting slot.

[0017] By adopting the above technical solution, when the two half cabins are in the open state, the elastic force generated by the first spring acting on the hook plate can make the two hook plates partially overlap along the rotation direction of the half cabins, and when the two half cabins rotate towards each other, the first inclined guide parts of the two hook plates can smoothly abut, thereby forcing the two hook plates to automatically move away from each other, so that the limiting protrusion can smoothly abut the side of the other hook plate, thereby facilitating the smooth insertion and limiting of the limiting protrusion and the limiting slot in the subsequent process. In addition, when it is necessary to disassemble the oxygen therapy cabin, the hook plates are moved one by one to cooperate with the corresponding positioning mechanism to position them, so that the limiting protrusion and the limiting slot can remain disengaged, thereby allowing the patient to easily force the two half cabins to rotate back to each other to open the oxygen therapy cabin.

[0018] Optionally, a resisting portion is provided on the back of the hook plate, and the positioning mechanism includes a positioning seat that is laterally slidably connected to the inner end wall of the structural groove and a second spring that is arranged between the positioning seat and the inner end wall of the structural groove, the sliding direction of the positioning seat is arranged perpendicular to the axial direction of the half cabin, and the second spring is used to force the positioning seat to normally be located on the moving path of the resisting portion;

[0019] The positioning seat is provided with a second inclined guide portion, and in use, the second inclined guide portion is located on the side of the positioning seat close to the hook plate; the positioning mechanism also includes a linkage component arranged on the inner end wall of the structural groove, and the linkage component is used to drive the positioning seat to slide laterally during the process of the two half-cabins rotating towards each other, so as to release the limit lock on the resisting portion.

[0020] By adopting the above technical solution, the positioning seat is slidably connected to the inner end wall of the hooking groove, and the positioning seat is normally located on the moving path of the resisting part under the elastic force of the second spring; after the patient completes oxygen therapy recovery, the hook plate is forced to move in the direction away from the other hook plate, and the hook plate can smoothly abut against the second inclined guide and force the positioning seat to slide sideways and leave the moving path of the resisting part; when the hook plate completely passes through the positioning seat, the positioning seat is reset under the elastic force of the second spring, and the hook plate can be pressed against the positioning seat under the elastic force of the first spring, so that the position of the hook plate can be maintained. In addition, when the next oxygen therapy recovery is performed, by forcing the two half cabins to rotate towards each other, the positioning seat can slide sideways under the drive of the linkage assembly, thereby releasing the limit lock on the resisting part, so that the two hook plates can return to the position of abutting each other.

[0021] Optionally, the linkage assembly includes a deflection rod rotatably connected to the inner end wall of the structural groove and a tension spring arranged between the deflection rod and the inner end wall of the structural groove; wherein, an end of the deflection rod close to the positioning seat is movably connected to a movable rod, and a third spring is arranged between the movable rod and the deflection rod, and the third spring is used to force the movable rod to normally move away from the deflection rod; an end of the deflection rod away from the positioning seat protrudes from the hook portion, and is used to first abut against the wedge-shaped portion and be deflected by force;

[0022] In the initial state, the tension spring is used to force the movable rod to be normally located on the outer side of the second inclined guide portion on the positioning seat; a guide roller is installed on the side of the movable rod, and a guide groove is provided on the side of the positioning seat. When the two half-cabins rotate towards each other and the deflection rod is deflected by force, the guide roller enters the guide groove and forces the positioning seat to move downward; in the use state, the guide roller passes through the guide groove and is located on the side of the positioning seat away from the second inclined guide portion. After the two half-cabins are separated from each other, the tension spring forces the deflection rod to return to its original state.

[0023] By adopting the above-mentioned technical scheme, when the two half-cabins are separated from each other and the hook plate is pressed against the positioning seat for limit locking under the elastic force of the first spring, the two half-cabins are forced to rotate towards each other, and the deflection rod can press against the wedge-shaped part and deflect under the force, so that the guide roller at the other end can smoothly enter the guide groove of the positioning seat; in the process of the two half-cabins continuing to rotate and approach, the guide roller moves in the guide groove and forces the positioning seat to move downward, so that the positioning seat can smoothly break away from the hook plate, and the two hook plates can be in a state of mutual contact under the elastic force of the corresponding first spring; and in the use state, since the deflection rod and the positioning seat are separated from each other, in the process of moving the hook plate to move it toward the second inclined guide part, the movement of the positioning seat will not be interfered by the deflection rod.

[0024] In addition, when the two half-cabins rotate away from each other and the oxygen therapy cabin is opened, the deflection rod returns to its original position under the tension of the tension spring. At this time, the movable rod can resist the positioning seat and retract in the direction close to the deflection rod, which is conducive to the deflection rod returning to its initial position smoothly, so that the positioning seat can release the limit lock on the hook plate again when the two half-cabins rotate toward each other next time.

[0025] Optionally, an atomizing gas nozzle is installed on the inner wall of the half-cabin, and the atomizing gas nozzle is connected to the oxygen generating module through an atomizing gas path; two arc-shaped support rods are fixedly mounted on the inner wall of the half-cabin, and the two arc-shaped support rods are respectively located on both side ends of the axis direction of the half-cabin; each arc-shaped support rod is sleeved with an inflatable bag, and an inflating gas path and a deflation gas path are connected to the outside of the inflatable bag, the inflating gas path is provided with a first switch valve for opening and closing control, and the deflation gas path is provided with a second switch valve for opening and closing control.

[0026] By adopting the above-mentioned technical scheme, when the patient uses the oxygen therapy device to perform oxygen therapy to recover the wound, the lower limbs are placed between the two half-cabins, and after closing the half-cabins, the inflatable bag is inflated through the inflation air path. The inflatable bag can expand outward and elastically press against the patient's lower limbs, thereby making the oxygen therapy chamber in the oxygen therapy cabin airtight; at this time, the oxygen generated by the oxygen generation module during operation is transported to the atomizing gas nozzle through the atomizing gas path and sprayed out through the atomizing gas nozzle, so that the wound can be restored by oxygen therapy in the closed oxygen therapy chamber, thereby improving the wound healing efficiency.

[0027] Optionally, a disposable plastic film is detachably provided on the outer periphery of the inflatable bag.

[0028] By adopting the above technical solution and setting a disposable plastic film, the patient can easily remove the disposable plastic film after the wound oxygen therapy is recovered, and can easily put a new disposable plastic film on the inflatable bag during the next oxygen therapy, thereby reducing the risk of wound reinfection caused by insufficient disinfection and sterilization, and is conducive to ensuring rapid healing of the wound.

[0029] Optionally, the control module includes a host with a display screen and a controller arranged on the surface of the host, and the controller is electrically connected to the oxygen generating module to control the operation of the oxygen generating module; one of the half-cabins is rotatably connected to the host through a telescopic joint, and an adjustment belt for binding with the lower limbs of the human body is installed on the side of the half-cabin, and a belt for binding with the waist of the human body is installed on the side of the host.

[0030] By adopting the above technical solution, after the patient places the lower limbs in the oxygen therapy chamber, the oxygen therapy chamber is fixed to the patient's lower limbs using an adjustment belt, and the main unit is fixed to the patient's waist using a waist belt. At this time, the patient can conveniently operate the controller on the main unit to control the operation of the oxygen generating module, thereby performing oxygen therapy recovery on the wound, and the oxygen therapy recovery can be performed while the patient is walking, thereby improving the convenience of using the oxygen therapy device. The setting of the telescopic joint can keep the main unit and the oxygen therapy chamber fixed, which is conducive to reducing the situation where the main unit or the oxygen therapy chamber is stored separately or accidentally lost, and is convenient for the normal use of the oxygen therapy device.

[0031] Optionally, the telescopic joint includes a plurality of joint plates arranged in sequence from the inside to the outside, and each two adjacent joint plates are magnetically connected by a magnetic structure, the joint plate located on the outermost side is rotationally connected to the main engine, and the joint plate located on the innermost side is rotationally connected to the half cabin;

[0032] Adjacent joint plates are slidably connected via a sliding structure, wherein the sliding structure includes a sliding groove and a sliding column slidably adapted thereto, the sliding groove and the sliding column are separately arranged at two adjacent joint plates; the sliding groove includes a strip area and an arc-shaped area connected to one end of the strip area, the two opposite side walls of the sliding column are planes for matching and abutting with the two opposite side walls of the strip area, and the two opposite side walls of the sliding column are arc surfaces for matching and abutting with the two arc-shaped side walls of the arc-shaped area.

[0033] By adopting the above technical solution, each joint plate is magnetically attracted by a magnetic structure, so that the telescopic joint can be kept in a retracted state. At this time, the sliding column matches the end of the strip area away from the arc area, which can limit the arbitrary rotation of the joint plate. When the host needs to be fixed to the waist of the human body through a belt, the telescopic joint needs to be in an extended state; by moving two adjacent joint plates away from each other, the sliding column can enter the arc area and rotate at a certain angle inside the arc area to improve the flexibility of the telescopic joint, so that the patient can wear the oxygen therapy device for normal walking.

[0034] Optionally, the magnetic structure includes a first magnetic sheet and a second magnetic sheet having opposite magnetic poles, the first magnetic sheet and the second magnetic sheet are respectively embedded in the two joint plates, and the first magnetic sheet and the second magnetic sheet are arranged opposite to each other.

[0035] By adopting the above technical solution, through the cooperation of the first magnetic sheet and the second magnetic sheet, the two joint plates can be normally abutted against each other, thereby keeping the telescopic joint in a retracted state.

[0036] In summary, the present application includes at least one of the following beneficial technical effects:

[0037] 1. The oxygen therapy device can be operated by the patient with one hand, which greatly improves the convenience of opening and closing the oxygen therapy chamber, and can be easily put on and removed to meet the patient's self-care needs for wounds in a home environment;

[0038] 2. By setting an adjustment belt to fix the oxygen therapy chamber to the patient's lower limbs, and setting a waist belt to fix the main unit to the patient's waist, the patient can conveniently operate the controller on the main unit to perform oxygen therapy recovery on the wound, and the oxygen therapy recovery can be performed while the patient is walking, which improves the convenience of using the oxygen therapy device. BRIEF DESCRIPTION OF THE DRAWINGS

[0039] Figure 1 It is a schematic diagram of the overall structure of an embodiment of the present application;

[0040] Figure 2 This is a schematic diagram of the structure of a half cabin in an embodiment of the present application;

[0041] Figure 3 It is a partial cross-sectional view of the hook plate in the embodiment of the present application, at which time the two half cabins are in a state of abutting against each other;

[0042] Figure 4 It is a schematic diagram of the internal structure of the construction groove and the hooking groove in the embodiment of the present application;

[0043] Figure 5 is a schematic diagram of the structure of two hook plates in an embodiment of the present application;

[0044] Figure 6 This is a schematic diagram of the structure of the oxygen therapy cabin in the embodiment of the present application when it is in use;

[0045] Figure 7 yes Figure 4 The enlarged view of point A in the middle mainly reflects the specific structure of the positioning mechanism;

[0046] Figure 8 is a schematic diagram of the structure of the telescopic joint in the embodiment of the present application;

[0047] Fig. 9 It is a structural schematic diagram of two adjacent joint plates in an embodiment of the present application, which is used to reflect the specific structure of the magnetic structure and the sliding structure.

[0048] Description of reference numerals: 1. oxygen therapy cabin; 2. half cabin; 21. rotating structure; 22. structural groove; 221. cross bar; 222. T-shaped slide groove; 23. elastic mechanism; 231. movable sleeve; 232. compression spring; 24. hooking groove; 241. wedge-shaped portion; 25. first spring; 26. oxygen therapy chamber; 27. adjustment belt; 3. hooking plate; 31. hooking portion; 32. first oblique guide portion; 33. limiting boss; 34. limiting slot; 35. blocking portion; 36. sliding portion;

[0049] 4. Positioning mechanism; 41. Positioning seat; 411. Second oblique guide; 412. Guide groove; 42. Second spring; 43. Deflection rod; 431. Rotation axis; 44. Movable rod; 441. Guide roller; 45. Tension spring; 5. Atomizing nozzle; 51. Atomizing air path; 6. Arc support rod; 61. Inflatable bag; 62. Inflating air path; 63. Deflation air path;

[0050] 7. Oxygen generating module; 8. Control module; 81. Host; 82. Controller; 83. Waist belt; 9. Telescopic joint; 91. Joint plate; 911. Base plate; 912. Side plate; 92. Magnetic structure; 921. First magnetic sheet; 922. Second magnetic sheet; 93. Sliding structure; 94. Sliding groove; 941. Strip area; 942. Arc area; 95. Sliding column; 951. Plane; 952. Arc surface. DETAILED DESCRIPTION

[0051] The following is combined with Figure 1-9 This application is described in further detail.

[0052] The embodiment of the present application discloses an oxygen therapy device for lower limb wounds.

[0053] Reference Figure 1 , a lower limb wound oxygen therapy device, comprising an oxygen therapy cabin 1, an oxygen generating module 7 for supplying oxygen to the oxygen therapy cabin 1, and a control module 8 for controlling the operation of the oxygen therapy cabin 1; the oxygen therapy cabin 1 comprises two symmetrically arranged half cabins 2, and one side edge of the two half cabins 2 is rotatably connected by a rotating structure 21; it should be noted that the rotating structure 21 used to achieve the rotational connection of the two half cabins 2 is of various types and is not the focus to be protected by this embodiment, so it will not be described in detail here, as long as the smooth rotation of the two half cabins 2 can be achieved.

[0054] Reference Figure 2 Each half cabin 2 is provided with a structural groove 22 on one side away from the rotating structure 21, and a cross bar 221 is fixedly mounted inside the structural groove 22, and the axial direction of the cross bar 221 is arranged in the same direction as the axial direction of the half cabin 2. A hook plate 3 is provided inside the structural groove 22, and at the same time, Figure 3A sliding portion 36 is integrally formed on the back of the hook plate 3, and the sliding portion 36 has a through groove penetrating on both sides; the cross-sectional shape of the through groove and the cross-sectional shape of the cross bar 221 are both circular, and the inner diameter of the through groove is equal to the outer diameter of the cross bar 221. After the cross bar 221 is inserted into the through groove, the hook plate 3 can move along the axial direction of the cross bar 221 and can rotate freely around the central axis of the cross bar 221.

[0055] An elastic mechanism 23 is provided between the hook plate 3 and the inner end wall of the structural groove 22. Figure 4 The elastic mechanism 23 includes a movable sleeve 231 movably inserted in the inner end wall of the structural groove 22 and a compression spring 232 connected between the movable sleeve 231 and the hook plate 3. The compression spring 232 can always generate an elastic force acting on the movable sleeve 231, thereby forcing the movable sleeve 231 to flip in a direction away from the inner end wall of the structural groove 22.

[0056] Reference Figure 2 , Figure 3 A hooking groove 24 is also provided on the side of the half cabin 2 away from the rotating structure 21, and the hooking groove 24 can be connected with the structural groove 22 of the half cabin 2; a wedge-shaped portion 241 is protruded from the inner end wall of the hooking groove 24, and the distance between the wedge-shaped portion 241 and the inner end wall of the hooking groove 24 gradually decreases from the middle of the wedge-shaped portion 241 to the two sides of the wedge-shaped portion 241, so that the cross-sectional shape of the wedge-shaped portion 241 is triangular. A hooking portion 31 is integrally formed on the back of the hooking plate 3, and the shape of the hooking portion 31 is the same as that of the wedge-shaped portion 241, and the hooking portion 31 and the compression spring 232 are respectively located on both sides of the rotating connection of the hooking plate 3.

[0057] When the two half-cabins 2 approach each other, the hook portion 31 can abut against the wedge-shaped portion 241 on the other half-cabin 2 and force the hook plate 3 to rotate, and the end of the hook plate 3 close to the elastic mechanism 23 can flip inward and squeeze the compression spring 232; after the two half-cabins 2 are rotated to a position that abuts against each other, the hook portion 31 smoothly passes through the wedge-shaped portion 241, and the elastic force of the compression spring 232 can force the hook portion 31 to cooperate with the wedge-shaped portion 241 to hook, so as to achieve the initial positioning of the two half-cabins 2.

[0058] In addition, back to Figure 3 A first spring 25 is provided between the hook plate 3 and the half cabin 2 where it is located; the first spring 25 is sleeved on the cross bar 221, one end of the first spring 25 abuts against the sliding portion 36, and the other end abuts against the inner end wall of the structural groove 22; the first spring 25 can always generate elastic force acting on the hook plate 3, so that when the two half cabins 2 abut against each other, the first spring 25 can force the two hook plates 3 to move closer to each other. A first oblique guide 32 is also provided at the side corner of the hook plate 3 close to the other hook plate 3. When the two half cabins 2 rotate toward each other, the two first oblique guides 32 can abut against each other, thereby forcing the two hook plates 3 to move away from each other.

[0059] Reference Figure 5 , the adjacent sides of the two hooking plates 3 are respectively provided with a limiting boss 33 and a limiting slot 34, the outer diameter of the limiting boss 33 and the inner diameter of the limiting slot 34 are set to be equal, when the two half cabins 2 are rotated to a position of abutting against each other, the limiting boss 33 and the limiting slot 34 are forced to be arranged opposite to each other by the compression spring 232, and the two hooking plates 3 can make the limiting boss 33 inserted into the limiting slot 34 under the elastic force of the corresponding first spring 25, so as to limit the rotation of the hooking plate 3, so that the hooking plate 3 and the hooking slot 24 are kept hooked and positioned; at the same time, refer to Figure 6 It should be noted that, at this time, the oxygen therapy device is in use, and the two half-cabins 2 can abut against each other and together enclose to form an oxygen therapy chamber 26 for accommodating the lower limbs.

[0060] Back to Figure 5 The back of the hook plate 3 is integrally formed with a blocking portion 35, and the blocking portion 35 is located on the side of the hook portion 31 away from the sliding portion 36. Figure 4 and Figure 7 A positioning mechanism 4 for positioning and maintaining the hook plate 3 is provided inside the structural groove 22. Specifically, the positioning mechanism 4 includes a positioning seat 41, a second spring 42 and a linkage assembly. An integrally formed T-shaped slider (not shown in the figure) is provided on the back of the positioning seat 41. A T-shaped slide groove 222 is provided on the inner end wall of the structural groove 22. The extension direction of the T-shaped slide groove 222 is perpendicular to the axial direction of the half cabin 2, and the T-shaped slider is matched and clamped in the T-shaped slide groove 222 and can move along the extension direction of the T-shaped slide groove 222, so that the positioning seat 41 is laterally slidably connected to the inner end wall of the structural groove 22.

[0061] The second spring 42 is arranged inside the T-shaped slide groove 222, one end of the second spring 42 abuts against the side of the T-shaped slide groove 222 close to the other half cabin 2, and the other end abuts against the T-shaped slider; the second spring 42 is in a normal compression state, and can always generate elastic force acting on the positioning seat 41 and force the positioning seat 41 to normally be located on the moving path of the blocking portion 35. In addition, a second inclined guide portion 411 is provided on the side of the positioning seat 41, and the second inclined guide portion 411 is located on one side of the positioning seat 41 close to the hooking groove 24 connected to the structural groove 22 where it is located.

[0062] When the two half-chassis 2 are rotated to abut against each other and the oxygen therapy device is in use, the blocking portion 35 can be located on the side of the positioning seat 41 close to the adjacent hooking groove 24, and by forcing the hook plate 3 to move in the direction close to the positioning seat 41, the hook plate 3 can abut against the second inclined guide portion 411 and force the positioning seat 41 to move laterally; after the hook plate 3 completely passes through the positioning seat 41, the positioning seat 41 is reset to the extreme position under the elastic force of the second spring 42, and the hook plate 3 can normally abut against the positioning seat 41 under the elastic force of the first spring 25, and at this time the limiting boss 33 can be disengaged from the limiting slot 34.

[0063] Reference Figure 7 The linkage assembly includes a deflection rod 43 and a tension spring 45, wherein the deflection rod 43 is rotatably connected to the inner end wall of the structural groove 22 through a rotating shaft 431, and a movable rod 44 is movably inserted at one end of the deflection rod 43 close to the positioning seat 41, and a third spring is installed between the movable rod 44 and the deflection rod 43, and the third spring can always generate an elastic force acting on the movable rod 44, which is used to force the movable rod 44 to move away from the deflection rod 43. One end of the deflection rod 43 away from the positioning seat 41 protrudes from the hook portion 31, and when the two half cabins 2 rotate toward each other, the end of the deflection rod 43 away from the positioning seat 41 can first abut against the wedge-shaped portion 241, and then the hook portion 31 abuts against the wedge-shaped portion 241 and cooperates with the hooking.

[0064] One end of the tension spring 45 is hooked and fixed to the inner end wall of the structural groove 22, and the other end of the tension spring 45 is hooked and fixed to one end of the deflection rod 43 close to the positioning seat 41; the tension spring 45 can always generate a force acting on the deflection rod 43, thereby forcing the deflection rod 43 to be normally located at a position separated from the positioning seat 41; at this time, the deflection rod 43 is in the initial state and normally remains inclined. It should be noted that in the initial state, the movable rod 44 will be located on the outside of the second inclined guide part 411 on the positioning seat 41; a rotatable guide roller 441 is installed on the side of the movable rod 44, and a guide groove 412 is provided on the side of the positioning seat 41, and the extension direction of the guide groove 412 is the same as the width direction of the positioning seat 41.

[0065] When the two half cabins 2 rotate towards each other, the deflection rod 43 abuts against the wedge-shaped portion 241 and is deflected by force, the guide roller 441 can smoothly enter the guide groove 412, and drive the positioning seat 41 to move downward during the rotation of the deflection rod 43, thereby automatically releasing the limit lock of the positioning seat 41 on the blocking portion 35; in addition, when the two half cabins 2 are in a state of contact with each other, the guide roller 441 smoothly passes through the guide groove 412, and the positioning seat 41 is reset and moved under the elastic force of the third spring, and the movable rod 44 and the guide roller 441 will be located on the side of the positioning seat 41 away from the second inclined guide portion 411 (such as Figure 7). When the oxygen therapy is restored and the oxygen therapy cabin 1 needs to be removed, the two half cabins 2 are separated from each other, and the deflection rod 43 is reset and rotated under the tension of the tension spring 45, and the movable rod 44 can smoothly abut against the side of the positioning seat 41 and retract in the direction close to the deflection rod 43, and finally the deflection rod 43 can smoothly pass through the positioning seat 41 and return to the initial state, so that the positioning seat 41 can release the limit lock on the hook plate 3 again when the two half cabins 2 rotate toward each other next time.

[0066] Back to Figure 1 The control module 8 includes a host 81 with a display screen and a controller 82 arranged on the surface of the host 81, and the oxygen generating module 7 is installed on the host 81; it should be noted that the specific structure of the oxygen generating module 7 is a conventional design in the art, which can extract oxygen from the air and supply it to the oxygen therapy room 26, and will not be described in detail here; the controller 82 is electrically connected to the oxygen generating module 7 through the internal central control module, and is used to control the operation and stop of the oxygen generating module 7.

[0067] Back to Figure 2 The inner wall of the half-cabin 2 is embedded with a plurality of atomizing gas nozzles 5, each of which is connected to an atomizing gas path 51, and one end of the atomizing gas path 51 away from the atomizing gas nozzle 5 is connected to an oxygen generating module 7 for supplying the produced oxygen into the oxygen therapy chamber 26. In addition, the inner wall of each half-cabin 2 is fixedly provided with two arc-shaped support rods 6, which are respectively arranged at the two side ends of the axis direction of the half-cabin 2; at the same time, refer to Figure 1 Each arc-shaped support rod 6 is sleeved with an inflatable bag 61 , and the outer side of each inflatable bag is connected to an inflating air path 62 and a deflation air path 63 .

[0068] All the inflation paths 62 are commonly connected to an inflation main path, which is externally connected to an air supply device, and is provided with a first switch valve, which is electrically connected to a central control module, so that the opening and closing of the first switch valve can be controlled by a controller 82. Similarly, all the deflation paths 63 are also commonly connected to a deflation main path, and the deflation main path is provided with a second switch valve connected to the central control module, so that the opening and closing of the second switch valve can be controlled by the controller 82.

[0069] A disposable plastic film (not shown in the figure) is detachably provided on the outer circumference of the inflatable bag 61, and the inner diameter of the disposable plastic film matches the outer diameter of the inflatable bag 61 when it is inflated; after the patient places the lower limbs in the oxygen therapy chamber 26, the controller 82 controls the first switch valve to open, and the gas is rushed into the inflatable bag 61 to inflate and press against the lower limbs, so that the oxygen therapy chamber 26 can be sealed; then, oxygen is filled into the oxygen therapy chamber 26 through the atomizing nozzle 5, and the wound can be restored by oxygen therapy. After the oxygen therapy is completed, the controller 82 controls the first switch valve to close and the second switch valve to open, so that the gas in the inflatable bag 61 can be discharged.

[0070] In addition, back to Figure 1 In this embodiment, the side of the half-cabin 2 is equipped with an adjustment belt 27 for tying with the lower limbs of the human body, and the side of the main unit 81 is equipped with a waist belt 83 for tying with the waist of the human body; when the patient is undergoing oxygen therapy, the main unit 81 is fixed at the waist position, which is convenient for the patient to operate and is conducive to the patient being able to stand up and walk during oxygen therapy, which is convenient for use. A telescopic joint 9 is provided between one of the half-cabins 2 and the main unit 81, and the half-cabin 2 can be rotatably connected to the main unit 81 through the telescopic joint 9.

[0071] Among them, refer to Figure 8 , Fig. 9 The telescopic joint 9 includes a plurality of joint plates 91 arranged sequentially from the inside to the outside, the joint plate 91 located on the outermost side is rotatably connected to the mainframe 81, the joint plate 91 located on the innermost side is rotatably connected to the half cabin 2, and every two adjacent joint plates 91 are connected by a magnetic structure 92. It should be noted that the number of joint plates 91 in this embodiment is 5, but in actual applications, the number of joint plates 91 can also be 6, 7, 8, etc., and can be selectively set according to actual needs.

[0072] Specific reference Fig. 9 The joint plate 91 is made of aluminum alloy material, has high structural strength and is not magnetically conductive; the joint plate 91 includes a base plate 911 and two side plates 912 respectively arranged on the edges of both sides of the base plate 911, and the magnetic structure 92 includes a first magnetic sheet 921 and a second magnetic sheet 922, the magnetic poles of the first magnetic sheet 921 and the second magnetic sheet 922 are opposite, and the first magnetic sheet 921 and the second magnetic sheet 922 are respectively embedded in the adjacent sides of the two base plates 911, and the magnetic attraction of the first magnetic sheet 921 and the second magnetic sheet 922 can keep each base plate 911 in contact, so that the entire telescopic joint 9 is in a retracted state.

[0073] The adjacent joint plates 91 are slidably connected by a sliding structure 93; wherein the sliding structure 93 includes a sliding groove 94 and a sliding column 95 adapted to slide therewith, the sliding groove 94 and the sliding column 95 are respectively arranged on the adjacent side plates 912 of the two joint plates 91; the sliding groove 94 includes a strip area 941 and an arc area 942 connected to one end of the strip area 941, and the two opposite side walls of the sliding column 95 are set as planes 951. When the sliding column 95 is inserted into the strip area 941, the two planes of the sliding column 95 are The surface 951 can respectively abut against the two opposite sides of the strip area 941, so that the sliding column 95 can only move along the strip area 941; the other two opposite side walls of the sliding column 95 are set as arc surfaces 952. When the sliding column 95 enters the arc area 942, each joint plate 91 is in a position away from each other, and the two arc surfaces 952 of the sliding column 95 can abut against the two opposite side walls of the arc area 942 and move, thereby forming a deflection effect, improving the flexibility of the telescopic joint 9, and facilitating use by patients.

[0074] The implementation principle of a lower limb wound oxygen therapy device in the present application embodiment is:

[0075] When the patient is cared for at home alone, the lower limbs can be placed between the two half-cabins 2. At this time, the hook plate 3 keeps the resisting portion 35 against the positioning seat 41 under the elastic force of the first spring 25, and the two hook plates 3 are in a state of separation from each other; the half-cabin 2 is rotated with one hand to make the two half-cabins 2 approach each other. During this process, the deflection rod 43 first abuts against the wedge-shaped portion 241, and the positioning seat 41 is forced to slide sideways and leave the resisting portion 35 by the cooperation of the guide roller 441 and the guide groove 412. The hook plate 3 can make the two first inclined guides 32 partially abut against each other under the elastic force of the first spring 25, and the two hook plates 3 keep in abutment and move away from each other; then, the two half-cabins 2 continue to be forced to approach each other, and the hooking portion 31 of the hook plate 3 can match and hook with the wedge-shaped portion 241 of the hooking groove 24, and the elastic force of the compression spring 232 can keep the hook plate 3 and the hooking groove 24 hooked and positioned, so that the two half-cabins 2 are initially fixed.

[0076] When the two half cabins 2 rotate towards each other to completely fit, the hook plate 3 keeps the limiting convex column 33 and the limiting slot 34 aligned under the elastic force of the elastic mechanism, and the limiting convex column 33 can be automatically inserted into the limiting slot 34 under the elastic force of the first spring 25, thereby limiting the rotation of the two hook plates 3, so that the covering state between the two half cabins 2 can be maintained. At this time, the two half cabins 2 jointly cover the wound position of the lower limb, and the control module 8 is used to control the operation of the oxygen generation module 7, so that oxygen can be smoothly supplied to the oxygen therapy chamber 26 to meet the patient's oxygen therapy recovery.

[0077] After the patient completes oxygen therapy and recovers, the hook plates 3 are moved one by one to move away from the other hook plates 3, and the blocking portion 35 can abut against the first inclined guide portion 32 and drive the positioning seat 41 to move laterally; after the blocking portion 35 completely passes through the positioning seat 41, the second spring 42 forces the positioning seat 41 to reset and move, and the hook plate 3 can make the blocking portion 35 abut against the positioning seat 41 again under the elastic force of the first spring 25, so that the limiting protrusion 33 and the limiting slot 34 are separated from each other; at this time, the two half cabins 2 are directly forced to move back to back, and the oxygen therapy cabin 1 can be easily opened, and then the oxygen therapy cabin 1 can be easily removed. The whole process can be completed by the patient with one hand, which greatly improves the convenience of opening and closing the oxygen therapy cabin 1, and then the oxygen therapy cabin 1 can be easily put on and disassembled to meet the patient's self-care needs for wounds in a home environment.

[0078] The above are preferred embodiments of the present application, and the protection scope of the present application is not limited thereto. Therefore, any equivalent changes made according to the structure, shape, and principle of the present application should be included in the protection scope of the present application.

Claims

1. A lower limb wound oxygen therapy device, characterized in that: It comprises an oxygen therapy chamber (1), an oxygen generating module (7) for supplying oxygen to the oxygen therapy chamber (1), and a control module (8) for controlling the operation of the oxygen therapy chamber (1); The oxygen therapy cabin (1) comprises two half cabins (2), one side edge of the two half cabins (2) being rotatably connected via a rotating structure (21), a structural groove (22) being provided on a side of each half cabin (2) away from the rotating structure (21), a hook plate (3) being rotatably provided inside the structural groove (22), and an elastic mechanism (23) being provided between the hook plate (3) and the inner end wall of the structural groove (22); a hook groove (24) being further provided on a side of the half cabin (2) away from the rotating structure (21), and in a use state, the two half cabins (2) are pressed against each other and jointly enclosed to form an oxygen therapy chamber (26) for accommodating lower limbs, and the elastic mechanism (23) forces the hook plate (3) to cooperate and hook with the hook groove (24) of the other half cabin (2); A cross bar (221) is fixedly mounted inside the structural groove (22), and the axial direction of the cross bar (221) is arranged in the same direction as the axial direction of the half cabin (2); the hook plate (3) is slidably sleeved on the cross bar (221) and freely rotatably arranged, and a first spring (25) is arranged between the hook plate (3) and the half cabin (2) where it is located, and the first spring (25) is sleeved on the cross bar (221); and adjacent side surfaces of the two hook plates (3) are respectively provided with limiting convex columns (33) and limiting slots (34), and in a use state, the first spring (25) forces the limiting convex columns (33) and the limiting slots (34) to match and insert and limit.

2. The lower limb wound oxygen therapy device according to claim 1, characterized in that: The inner end wall of the hooking groove (24) is provided with a wedge-shaped portion (241) protruding therefrom, and the distance between the wedge-shaped portion (241) and the inner end wall of the hooking groove (24) gradually decreases from the middle of the wedge-shaped portion (241) to the two sides of the wedge-shaped portion (241); the back side of the hooking plate (3) is provided with a hooking portion (31), and the hooking portion (31) is used to cooperate with the wedge-shaped portion (241) for hooking and positioning; the hooking portion (31) and the elastic mechanism (23) are respectively located on two sides of the rotation connection of the hooking plate (3).

3. The oxygen therapy device for lower limb wounds according to claim 2, characterized in that: Each hook plate (3) is provided with a first oblique guide portion (32) at a corner close to another hook plate (3); when the two half compartments (2) rotate toward each other, the two first oblique guide portions (32) abut against each other and force the two hook plates (3) to move away from each other; each structural groove (22) is provided with a positioning mechanism (4) for positioning and maintaining the hook plate (3); when the hook plate (3) cooperates with the positioning mechanism (4) to be positioned, the limiting protrusion (33) disengages from the limiting slot (34).

4. The oxygen therapy device for lower limb wounds according to claim 3, characterized in that: A stopper (35) is provided on the back of the hook plate (3), and the positioning mechanism (4) comprises a positioning seat (41) slidably connected to the inner end wall of the structural groove (22) in a laterally slidable manner, and a second spring (42) provided between the positioning seat (41) and the inner end wall of the structural groove (22), wherein the sliding direction of the positioning seat (41) is perpendicular to the axial direction of the half compartment (2), and the second spring (42) is used to force the positioning seat (41) to be normally located on the moving path of the stopper (35); The positioning seat (41) is provided with a second inclined guide portion (411). In a state of use, the second inclined guide portion (411) is located on a side of the positioning seat (41) close to a hooking groove (24) connected to the structural groove (22). The positioning mechanism (4) further comprises a linkage component arranged on an inner end wall of the structural groove (22). The linkage component is used to drive the positioning seat (41) to slide sideways during the process of the two half-chassis (2) rotating towards each other, so as to release the limit lock on the blocking portion (35).

5. The oxygen therapy device for lower limb wounds according to claim 4, characterized in that: The linkage assembly comprises a deflection rod (43) rotatably connected to the inner end wall of the structural groove (22) and a tension spring (45) arranged between the deflection rod (43) and the inner end wall of the structural groove (22); wherein one end of the deflection rod (43) close to the positioning seat (41) is movably connected to a movable rod (44), a third spring is arranged between the movable rod (44) and the deflection rod (43), and the third spring is used to force the movable rod (44) to normally move away from the deflection rod (43); one end of the deflection rod (43) away from the positioning seat (41) protrudes from the hook portion (31) and is used to first abut against the wedge portion (241) and be deflected by force; In the initial state, the tension spring (45) is used to force the movable rod (44) to be normally located on the outer side of the second inclined guide portion (411) on the positioning seat (41); a guide roller (441) is installed on the side of the movable rod (44), and a guide groove (412) is provided on the side of the positioning seat (41). When the two half-cabins (2) rotate towards each other and the deflection rod (43) is deflected by force, the guide roller (441) enters the guide groove (412) and forces the positioning seat (41) to move downward; in the use state, the guide roller (441) passes through the guide groove (412) and is located on the side of the positioning seat (41) away from the second inclined guide portion (411). After the two half-cabins (2) are separated from each other, the tension spring (45) forces the deflection rod (43) to return to the initial state.

6. The oxygen therapy device for lower limb wounds according to claim 1, characterized in that: An atomizing gas nozzle (5) is installed on the inner peripheral wall of the half-cabin (2), and the atomizing gas nozzle (5) is connected to the oxygen generating module (7) through an atomizing gas path (51); two arc-shaped support rods (6) are fixedly mounted on the inner peripheral wall of the half-cabin (2), and the two arc-shaped support rods (6) are respectively located at two side ends of the axis direction of the half-cabin (2); each of the arc-shaped support rods (6) is sleeved with an inflatable bag (61), and the outside of the inflatable bag (61) is connected to an inflating gas path (62) and a deflation gas path (63), the inflating gas path (62) is provided with a first switch valve for opening and closing control, and the deflation gas path (63) is provided with a second switch valve for opening and closing control.

7. The oxygen therapy device for lower limb wounds according to claim 6, characterized in that: The outer peripheral side of the inflatable bag (61) is detachably covered with a disposable plastic film.

8. The oxygen therapy device for lower limb wounds according to claim 1, characterized in that: The control module (8) comprises a main unit (81) with a display screen and a controller (82) arranged on the surface of the main unit (81), wherein the controller (82) is electrically connected to the oxygen generating module (7) to control the operation of the oxygen generating module (7); one of the half-cabins (2) is rotatably connected to the main unit (81) via a telescopic joint (9), an adjustment belt (27) for binding with the lower limbs of a human body is installed on the side of the half-cabin (2), and a waist belt (83) for binding with the waist of a human body is installed on the side of the main unit (81).

9. The oxygen therapy device for lower limb wounds according to claim 8, characterized in that: The telescopic joint (9) comprises a plurality of joint plates (91) arranged in sequence from the inside to the outside, each two adjacent joint plates (91) are magnetically connected via a magnetic structure (92), the joint plate (91) located on the outermost side is rotationally connected to the main engine (81), and the joint plate (91) located on the innermost side is rotationally connected to the half cabin (2); Adjacent joint plates (91) are slidably connected via a sliding structure (93), wherein the sliding structure (93) comprises a sliding groove (94) and a sliding column (95) slidably adapted thereto, and the sliding groove (94) and the sliding column (95) are respectively arranged on two adjacent joint plates (91); the sliding groove (94) comprises a strip region (941) and an arc region (942) connected to one end of the strip region (941), the two opposite side walls of the sliding column (95) are planes (951) for matching and abutting with the two opposite side walls of the strip region (941), and the other two opposite side walls of the sliding column (95) are arc surfaces (952) for matching and abutting with the two arc side walls of the arc region (942).

10. The oxygen therapy device for lower limb wounds according to claim 9, characterized in that: The magnetic structure (92) comprises a first magnetic sheet (921) and a second magnetic sheet (922) having opposite magnetic poles, wherein the first magnetic sheet (921) and the second magnetic sheet (922) are respectively embedded in two joint plates (91), and the first magnetic sheet (921) and the second magnetic sheet (922) are arranged opposite to each other.

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